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fuel

(Encyclopedia)fuel, material that can be burned or otherwise consumed to produce heat. The common fuels used in industry, transportation, and the home are burned in air. The carbon and hydrogen in fuel rapidly comb...

Charles, Jacques Alexandre César

(Encyclopedia)Charles, Jacques Alexandre César zhäk älĕksäNˈdrə sāzärˈ shärl [key], 1746–1823, French physicist. He confirmed Benjamin Franklin's electrical experiments, became interested in aeronautic...

Mond, Ludwig

(Encyclopedia)Mond, Ludwig, 1839–1909, chemist; father of Alfred Moritz Mond, 1st Baron Melchett. He was born in Germany and became a naturalized British subject. Mond experimented with alkalies and also develope...

Marsh test

(Encyclopedia)Marsh test, method for the detection of arsenic, so sensitive that it can be used to detect minute amounts of arsenic in foods (the residue of fruit spray) or in stomach contents. The sample is placed...

hydrogen chloride

(Encyclopedia)hydrogen chloride, chemical compound, HCl, a colorless, poisonous gas with an unpleasant, acrid odor. It is very soluble in water and readily soluble in alcohol and ether. It fumes in moist air. It is...

boiling point

(Encyclopedia)boiling point, temperature at which a substance changes its state from liquid to gas. A stricter definition of boiling point is the temperature at which the liquid and vapor (gas) phases of a substanc...

Khanty-Mansi Autonomous Area

(Encyclopedia)Khanty-Mansi Autonomous Area khŭntēˈ-mŭnsēˈ [key], administrative division (1995 pop. 1,326,200), 201,969 sq mi (523,100 sq km), W Siberian Russia. Khanty-Mansisk is the capital. The region, mos...

Eccles, Sir John Carew

(Encyclopedia)Eccles, Sir John Carew kârˈē, ĕkˈəlz [key], 1903–97, Australian neurophysiologist. He was educated at the Univ. of Melbourne and at Magdalene College, Oxford. He was director (1937–44) of th...

curare

(Encyclopedia)curare kyo͝orärˈē [key], any of a variety of substances originally used as arrow poisons by Native South Americans in hunting and in warfare. The main active substance of curare, tubocurarine, is ...

Huntington's disease

(Encyclopedia)Huntington's disease, hereditary, acute disturbance of the central nervous system usually beginning in middle age and characterized by involuntary muscular movements and progressive intellectual deter...